Re: [PATCH 4/7] mfd: hi6421-spmi-pmic: Use generic_handle_irq_safe().
From: Sergei Shtylyov
Date: Fri Jan 28 2022 - 11:44:46 EST
On 1/28/22 4:33 PM, Lee Jones wrote:
>>> generic_handle_irq() is invoked from a regular interrupt service
>>> routing. This handler will become a forced-threaded handler on
>>
>> s/routing/routine/?
>>
>>> PREEMPT_RT and will be invoked with enabled interrupts. The
>>> generic_handle_irq() must be invoked with disabled interrupts in order
>>> to avoid deadlocks.
>>>
>>> Instead of manually disabling interrupts before invoking use
>>> generic_handle_irq() which can be invoked with enabled and disabled
>>> interrupts.
>>>
>>> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
>> [...]
>>
>> MBR, Sergey
>
> What does that mean?
Ah, you were asking about MBR! My best regards then. :-)
MBR, Sergey